查询词典 residues

Our previous molecular cloning of snakehead fish GTH cDNAs revealed that the third cysteine residues is absent in shfFSH-β; instead, a positionally shifted cysteine is present at the N-terminus, as found in some phylogenetic related fish.

本研究已选殖鳢鱼脑下垂体GTH cDNAs，发现FSH-β次单元之第三个半胱胺酸并不存在，取而代之在N端有一多的半胱胺酸，由进一步资料分析发现鳢鱼相近鱼种亦有此特性。

The combustion reactivities of three types of delayed cokes, vacuum residues and their mixture were investigated by TG and DTG.

利用热重技术对三种延迟石油焦、三种减压渣油及其混合物的燃烧反应特性进行了考察。

When the spawning weight range from 0.1～2.0g,it has the positive correlation with hatch amount,but when the spawning weight exceeds 2.0g,hatch amount will reduce.(5) Analyse the content of heavy metals and pesticide residues for soil and aquaculture water in W.pigra with the help of atomic absorption spectrophotometers,atomic fluorescence spectrophotometers and gas chromatography.

结果表明，蚂蟥产卵和孵化的最适温度为25℃，产卵的最佳体重为20g左右；温度能影响蚂蟥产卵前后的体重，而体重大小对产卵前后体重变化影响不明显；当卵重在0.1～2.0g之间时与孵出量成正比，当卵重大于2.0g时孵出量反而有所下降。

The purpose was to set up the gas chromatography method of determining the pesticide residues of Aids-in, Dieldin and Endrin in vegetable and its products.

建立蔬菜及其制品中的杀虫剂艾氏剂、狄氏剂、异狄氏剂残留的气相色谱检测方法。

N-terminal analysis showed that the signal peptide had been removed indicating that the insect cells posses the enzymatic activity necessary to cleave the pro-α-factor leader region from the fusion protein at the carboxy side of Lys-Arg dibasic residues, which is the cleavage site recognized by KEX2 endopeptidase in yeast cells.

该位点在酵母细胞中是由KEX2基因编码的内肽酶切割的。

The effect of different organic fertilizers on the growth、nutrient balance and fruit quality of tomato was studied in the organic agriculture field. The fertilizers used in the experiment were farm manure 、commercial organic fertilizer 、biogas residues and which under the same N input condition. and on this basis, included commercial organic fertilizer was designed to three fertilization levels.

在有机生产条件下布置小区试验，研究了有机肥料对番茄生长、养分平衡和果实品质的影响，研究中采用农家堆肥、精制有机肥、沼渣为供试有机肥料，进行等氮投入，其中精制有机肥在此基础上额外设置了3个施肥水平。

The environment of the two Trp residues at positions 93 and 122 in APIB is more hydrophobic than in APIA.

研究表明APIB中的两个Trp残基（93和122位）所处环境的疏水性要比APIA中的强。

This experiment uses to determine the chlortetracycline residues amount in the pig plasma .

采用高效液相色谱法测定猪血浆中的CTC残留量。

Samples of animal manure were collected from intensive farm in Jiangsu province from 2005 to 2006, the residues of oxytetra- cycline, chlortetracycline, methacycline and doxycycline were determined by HPLC.

2005-2006年在江苏省范围内采集了181个集约化养殖场畜禽排泄物样品，用高效液相色谱对其中的四环素类抗生素残留进行了检测。

A method for simultaneous determination of oxytetracycline, tetracycline, chlortetracycline and choramphenicol in seafood was successfully developed using high performance liquid chromatography with ammonium acetate/water and acetonitrile as the mobile phase. The results showed that the four antibiotics were well separated under the optimum conditions, with the limits of detection being 32 μg/kg for oxytetracycline, 15 μg/kg for tetracycline, 23 μg/kg for chlortetracycline, and 19 μg/kg for choramphenicol. The recovery of standard additions was 76~92% and the relative standard deviation was 0.8-4.5%. The method is rapid, sensitive, accurate and reliable and can be applied in the analysis of antibiotic residues in seafood.

建立了同时检测海产品中土霉素、四环素、金霉素、氯霉素残留的高效液相色谱分析方法，以醋酸铵-醋酸/水缓冲液和乙腈作为流动相，通过二元梯度洗脱，使四种抗生素获得了较好的分离，以基线噪音的3倍计算，土霉素、四环素、金霉素、氯霉素最低检出浓度分别为32μg/kg、15μg/kg、23μg/kg、19μg/kg，在添加浓度范围内，四种抗生素的加标回收率为76~92%，相对标准偏差为0.8~4.5%，该方法快速、灵敏、准确，可靠性高，可用于海产品中抗生素残留的色谱分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。